Global Patent Index - EP 0997247 A2

EP 0997247 A2 20000503 - Die for manufacturing honeycomb bodies

Title (en)

Die for manufacturing honeycomb bodies

Title (de)

Strangpressmundstück zur Herstellung von Wabenkörpern

Title (fr)

Matrice d'extrusion pour la fabrication de corps en nid d'abeilles

Publication

EP 0997247 A2 (EN)

Application

EP 99308568 A

Priority

JP 30880298 A

Abstract (en)

A die for manufacturing honeycomb bodies has a die main body (2) having batch supply holes (11) which are open at a backside surface of the die, slit channels (12) which communicate with the batch supply holes and are open at a foreside surface of the die and a taper portion (13) which is formed by working an outer peripheral portion of the foreside surface of the die in a taper manner. A control plate (3) is arranged opposed to the taper portion. Slit channel expanding portions (21) are formed at open ends of the slit channels existing in the taper portion in such a manner that the slit channel is expanded gradually toward the open end. The aim is to strengthen the outermost ribs of the honeycomb structure. <IMAGE>

IPC 1-7

B28B 3/26

IPC 8 full level

B28B 3/26 (2006.01); B28B 3/20 (2006.01)

CPC (source: EP)

B28B 3/269 (2013.01)

Designated contracting state (EPC)

BE DE FR GB

DOCDB simple family (publication)

EP 0997247 A2 20000503; EP 0997247 A3 20020529; EP 0997247 B1 20040818; DE 69919483 D1 20040923; DE 69919483 T2 20050929; JP 2000127130 A 20000509; JP 3701801 B2 20051005; US 6287103 B1 20010911

DOCDB simple family (application)

EP 99308568 A 19991028; DE 69919483 T 19991028; JP 30880298 A 19981029; US 42963199 A 19991029